// OFFIS Automation Framework
// Copyright (C) 2013-2018 OFFIS e.V.
// 
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// 
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
// 
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

#include "ConvexHull.h"
#include <opencv2/imgproc.hpp>
REGISTER_FILTER(ConvexHull);

ConvexHull::ConvexHull()
{
    setName("ConvexHull");
    setDesc(QObject::tr("Calculates the convex hull of contour"));
    setGroup("image/contour");

    mIn.setName("imageIn");
    mIn.setDesc(QObject::tr("Image input"));
    addInputListPort(mIn);

    mOut.setName("convexHull");
    mOut.setDesc(QObject::tr("Convex hull of input image"));
    addOutputListPort(mOut);
}

void ConvexHull::execute()
{
    while(mIn.hasValue())
    {
        std::vector<cv::Point> pointList=  mIn.getValue2();
        std::vector<cv::Point> hull;
        cv::convexHull(pointList, hull);
        mOut.send(hull);
    }
}
